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  • Title: Prevalence of cerebral sinovenous thrombosis in abusive head trauma.
    Author: Burtard C, Panks J, Silverman LB, Lindberg DM, Stence NV, Neuberger I, Maloney J, White C, Mirsky DM.
    Journal: Pediatr Radiol; 2023 Jan; 53(1):78-85. PubMed ID: 36074163.
    Abstract:
    BACKGROUND: Cerebral sinovenous thrombosis (CSVT) has been proposed in legal settings to be an atraumatic mimic of abusive head trauma (AHT). OBJECTIVE: The objective of this study was to determine the prevalence of CSVT and subdural hemorrhage (SDH) in a large AHT population. MATERIALS AND METHODS: This retrospective cohort study measured the prevalence of CSVT and SDH on magnetic resonance venograms in 243 patients diagnosed with AHT at a single center. We also reported additional intra- and extracranial injuries, head injury severity and length of hospital stay. RESULTS: Among 243 patients diagnosed with AHT, 7% (16/243) had CSVT. SDH was present in 94% (15/16) of the CSVT cases. Cytotoxic edema and subarachnoid hemorrhage were in 88% (14/16) and 69% (11/16) of the CSVT cases, respectively. Extracranial signs of abuse were also in 100% (16/16) of the patients with CSVT. Critical to maximal head injury severity (abbreviated injury scale >=5) was in 75% (12/16) of the CSVT population vs. 33% (82/243) in the total AHT population. Length of hospital and pediatric intensive care unit stay was greater in those with CSVT (10 vs. 21.9 and 3.5 vs. 7.3 days). CONCLUSION: These findings suggest that CSVT is uncommon in AHT and is associated with additional traumatic injuries and greater injury severity.
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